<template>
  <div class="msite">
    <!--首页头部-->
    <HeaderTop :title="address.name">
      <router-link slot="left" class="header_search" to="/search"><i class="iconfont icon-sousuo" >搜索</i></router-link>
      <router-link slot="right" class="header_login"  :to="userInfo._id?'/personinfo':'/login'" >
        <span class="header_login_text" v-if="!userInfo._id">登录|注册</span>
        <span class="header_login_text" v-else><i class="icon iconfont icon-user"></i></span>
      </router-link>
    </HeaderTop>
    <!--首页导航-->
    <nav class="msite_nav">
      <div class="swiper-container" v-if="categorys.length">
        <div class="swiper-wrapper">
          <div class="swiper-slide" v-for="(item,index) in listPageArr" :key="index">
            <a href="javascript:" class="link_to_food" v-for="(tem,i) in item" :key="i">
              <div class="food_container">
                <img :src="baseImageUrl+tem.image_url">
              </div>
              <span>{{tem.title}}</span>
            </a>
          </div>
        </div>
        <!-- Add Pagination -->
        <div class="swiper-pagination"></div>
      </div>
      <img src="./images/msite_back.svg" alt="back" v-else>
    </nav>

    <!--首页附近商家-->
    <div class="msite_shop_list">
      <div class="shop_header">
        <i class="iconfont icon-xuanxiang"></i>
        <span class="shop_header_title">附近商家</span>
      </div>
      <ShopList></ShopList>
    </div>
  </div>

</template>

<script>

import Swiper from 'swiper'
import 'swiper/css/swiper.min.css'

import HeaderTop from "../../components/HeaderTop/HeaderTop";
import ShopList from "../../components/ShopList/ShopList";
import {mapActions} from 'vuex'
import {mapState} from 'vuex'
export default {
  name: "MainPart",
  data(){
    return{
      mySwiper: null,
      imgOrigin:[
        {img:require('/static/nav/1.jpg')},
        {img:require('/static/nav/2.jpg')},
        {img:require('/static/nav/3.jpg')},
        {img:require('/static/nav/4.jpg')},
      ],
          imgPath:require('/static/nav/5.jpg'),
      baseImageUrl: 'https://fuss10.elemecdn.com'
    }
  },
  components:{
    HeaderTop,
    ShopList
  },
  watch:{
    categorys(val){
      const vm = this;
      vm.$nextTick(function (){
       new Swiper ('.swiper-container', {
          loop: true, // 循环模式选项
          // 如果需要分页器
          pagination: {
            el: '.swiper-pagination',
          }
        })
      })
      console.log(val);
    }
  },
  computed:{
    ...mapState(['address','categorys','userInfo']),
    listPageArr(){
      const {categorys} = this
      let arr1 = []
      let listNum = []
/*      let arr2 = [3]
      listNum.push(arr2)
      arr2 = [4]*/

      for (var i=0;i<categorys.length;i++){
        if (arr1.length>=8){
          arr1 = []
        }
        if (arr1.length == 0){
          listNum.push(arr1)
        }
        arr1.push(categorys[i])
      }
/*      categorys.forEach(i=>{
          if (arr1.length>=8){
            arr1 = []  //当arr1长度为8的时候重新创建一个空arr1
          }
          if (arr1.length == 0){
            listNum.push(arr1)  //一开始进来把数据push到arr中去
          }
          arr1.push(i)

      })*/
      console.log(listNum);
      return listNum
    },
  },
  created() {

  },
  mounted() {
    this.getShops()
    this.$store.dispatch('getCategorys')
    const vm = this;
    vm.$nextTick(function (){
      vm.mySwiper =  new Swiper ('.swiper-container', {
        loop: true, // 循环模式选项
        // 如果需要分页器
        pagination: {
          el: '.swiper-pagination',
        }
      })
    })
  },
  methods:{
  ...mapActions(['getShops'])
  }
}
</script>

<style lang="stylus" rel="stylesheet/stylus" scoped>
@import "../../common/stylus/mixins.styl"
.msite  //首页
  width 100%
  .header
    background-color #02a774
    position fixed
    z-index 100
    left 0
    top 0
    width 100%
    height 45px
    .header_search
      position absolute
      left 15px
      top 50%
      transform translateY(-50%)
      width 10%
      height 50%
      .icon-sousuo
        font-size 25px
        color #fff
    .header_title
      position absolute
      overflow hidden
      text-overflow ellipsis
      top 50%
      left 50%
      transform translate(-50%, -50%)
      width 50%
      color #fff
      overflow hidden
      text-overflow ellipsis
      white-space nowrap
      text-align center
      .header_title_text
        font-size 20px
        color #fff
        display block
        overflow hidden
        text-overflow ellipsis
        white-space nowrap
    .header_login
      font-size 14px
      color #fff
      position absolute
      right 15px
      top 50%
      transform translateY(-50%)
      .header_login_text
        color #fff
  .msite_nav
    bottom-border-1px(#e4e4e4)
    margin-top 45px
    height 200px
    background #fff
    .swiper-container
      width 100%
      height 100%
      .swiper-wrapper
        width 100%
        height 100%
        .swiper-slide
          display flex
          justify-content center
          align-items flex-start
          flex-wrap wrap
          .link_to_food
            width 25%
            .food_container
              display block
              width 100%
              text-align center
              padding-bottom 10px
              font-size 0
              img
                display inline-block
                width 50px
                height 50px
            span
              display block
              width 100%
              text-align center
              font-size 13px
              color #666
      .swiper-pagination
        >span.swiper-pagination-bullet-active
          background #02a774
  .msite_shop_list
    top-border-1px(#e4e4e4)
    margin-top 10px
    background #fff
    .shop_header
      padding 10px 10px 0
      .shop_icon
        margin-left 5px
        color #999
      .shop_header_title
        color #999
        font-size 14px
        line-height 20px
    .shop_container
      margin-bottom 50px
      .shop_list
        .shop_li
          bottom-border-1px(#f1f1f1)
          width 100%
          >a
            clearFix()
            display block
            box-sizing border-box
            padding 15px 8px
            width 100%
            .shop_left
              float left
              box-sizing border-box
              width 23%
              height 75px
              padding-right 10px
              .shop_img
                display block
                width 100%
                height 100%
            .shop_right
              float right
              width 77%
              .shop_detail_header
                clearFix()
                width 100%
                .shop_title
                  float left
                  width 200px
                  color #333
                  font-size 16px
                  line-height 16px
                  font-weight 700
                  &::before
                    content '品牌'
                    display inline-block
                    font-size 11px
                    line-height 11px
                    color #333
                    background-color #ffd930
                    padding 2px 2px
                    border-radius 2px
                    margin-right 5px
                .shop_detail_ul
                  float right
                  margin-top 3px
                  .supports
                    float left
                    font-size 10px
                    color #999
                    border 1px solid #f1f1f1
                    padding 0 2px
                    border-radius 2px
              .shop_rating_order
                clearFix()
                width 100%
                margin-top 18px
                margin-bottom 8px
                .shop_rating_order_left
                  float left
                  color #ff9a0d
                  .star //2x图 3x图
                    float left
                    font-size 0
                    .star-item
                      display inline-block
                      background-repeat no-repeat
                    &.star-48
                      .star-item
                        width 20px
                        height 20px
                        margin-right 22px
                        background-size 20px 20px
                        &:last-child
                          margin-right: 0
                        &.on
                          bg-image('./images/stars/star48_on')
                        &.half
                          bg-image('./images/stars/star48_half')
                        &.off
                          bg-image('./images/stars/star48_off')
                    &.star-36
                      .star-item
                        width 15px
                        height 15px
                        margin-right 6px
                        background-size 15px 15px
                        &:last-child
                          margin-right 0
                        &.on
                          bg-image('./images/stars/star36_on')
                        &.half
                          bg-image('./images/stars/star36_half')
                        &.off
                          bg-image('./images/stars/star36_off')
                    &.star-24
                      .star-item
                        width 10px
                        height 10px
                        margin-right 3px
                        background-size 10px 10px
                        &:last-child
                          margin-right 0
                        &.on
                          bg-image('./images/stars/star24_on')
                        &.half
                          bg-image('./images/stars/star24_half')
                        &.off
                          bg-image('./images/stars/star24_off')
                  .rating_section
                    float left
                    font-size 10px
                    color #ff6000
                    margin-left 4px
                  .order_section
                    float left
                    font-size 10px
                    color #666
                    transform scale(.8)
                .shop_rating_order_right
                  float right
                  font-size 0
                  .delivery_style
                    transform-origin 35px 0
                    transform scale(.7)
                    display inline-block
                    font-size 12px
                    padding 1px
                    border-radius 2px
                  .delivery_left
                    color #fff
                    margin-right -10px
                    background-color #02a774
                    border 1px solid #02a774
                  .delivery_right
                    color #02a774
                    border 1px solid #02a774
              .shop_distance
                clearFix()
                width 100%
                font-size 12px
                .shop_delivery_msg
                  float left
                  transform-origin 0
                  transform scale(.9)
                  color #666
                .segmentation
                  color #ccc

</style>